Question

If the simple interest on a certain amount for 3 years is RM90, and the rate of interest is 6%, what is the principal amount?

Answer 1

[AI-generated answer — Bot GPT 3.5]

Let P be the principal amount.

The interest accrued over 3 years is P * 3 * 0.06 = RM90.
Thus, 0.18P = RM90.
Therefore, the principal amount is P = RM90 / 0.18 = RM500. Answer: \boxed{RM500}.